﻿/*身份证号码是否有效*/
function DocumentNum(string) {
	var idcard = string.replace(/\s+/g,"");
    var factorArr = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2, 1);
	var error;
	var varArray = new Array();
	var intValue;
	var lngProduct = 0;
	var intCheckDigit;
	var intStrLen = idcard.length;
	var idNumber = idcard;
	if ((intStrLen != 15) && (intStrLen != 18)) {
		return false;
	}
	for (i = 0; i < intStrLen; i++) {
		varArray[i] = idNumber.charAt(i);
		if ((varArray[i] < "0" || varArray[i] > "9") && (i != 17)) {
			return false;
		} else {
			if (i < 17) {
				varArray[i] = varArray[i] * factorArr[i];
			}
		}
	}
	if (intStrLen == 18) {
		var date8 = idNumber.substring(6, 14);
		if (checkDate(date8) == false) {
			return false;
		}
		for (i = 0; i < 17; i++) {
			lngProduct = lngProduct + varArray[i];
		}
		intCheckDigit = 12 - lngProduct % 11;
		switch (intCheckDigit) {
		  case 10:
			intCheckDigit = "X";
			break;
		  case 11:
			intCheckDigit = 0;
			break;
		  case 12:
			intCheckDigit = 1;
			break;
		}
		if (varArray[17].toUpperCase() != intCheckDigit) {
			return false;
		}
	} else {
		var date6 = idNumber.substring(6, 12);
		if (checkDate(date6) == false) {
			return false;
		}
	}
	return true;
}
function checkDate(date) {
	return true;
}
/*其它证件号码验证*/
function DocumentNum4Others(string) {
	var idcard = string.replace(/\s+/g,"");
	ereg=/^[a-zA-Z0-9()-]{5,18}$/;
    if (ereg.test(idcard)) return true;
    return false;
}